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A particle of mass m moves in the XY pla...

A particle of mass m moves in the XY plane with constant velocity v along the straight line PQ as shown in the figure. Its angular momentum with respect to origin O is(`theta` is angle between`vec v` and x-axis)

A

mvb

B

mvb `sin theta`

C

mvb `cos theta`

D

mvb `tan theta`

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